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Are supplements with amino acid chelated minerals better than those with other forms of minerals?
Learn more about chelates, including evidence from clinical studies on selenium, iron, and magnesium.
Is it true that fish oil may help protect the body against air pollution?
Find out if fish oil and olive oil can help protect the body against air pollution.
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
Learn more about the benefits of getting vitamins from food versus supplements, natural versus synthetic vitamins, and more.
I have been hearing a lot about the ingredient kaneka QH and that it must be in CoQ10, in order to work better. What is kaneka?
Is Kaneka QH Ubiquinol Better Than Other Forms of CoQ10?
I've heard that taking vitamin D can reduce your natural production of melatonin and interfere with sleep. Is this true?
Can Vitamin D interfere with your body's melatonin production, and can taking vitamin D interfere with sleep?
Once I've taken probiotics for a few months, will the positive bacteria remain in my system, or do I have to keep taking them?
Find out how long you should take probiotics through understanding how long the positive bacteria remain in the system.
Does taking vitamin C (1,000 mg) deplete copper in the body?
Find out if taking vitamin C supplements can deplete copper levels in the body and cause copper deficiency. ConsumerLab.com's answer explains.
Does Provitalize work for weight loss and is it safe?
Find out if taking Provitalize, a probiotic supplement that also contains turmeric extract, moringa leaf extract, curry leaf extract and piperine (BioPerine), is safe and beneficial for weight management.
I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?
Learn more about water-soluble B vitamins including niacin, B6, B12 and folic acid, and why taking too much of these vitamins can be toxic. See the symptoms of overdose and toxicity from B vitamins. ConsumerLab.com's answer explains.
Can I take CoQ10 at the same time as my statin, or should I take them separately?
Taking CoQ10 and statins (such as lovastatin and simvastatin)? Find out if you can take them at the same time or if they should be taken separately. ConsumerLab.com's answer explains.
Does magnesium help with depression?
Find out if having low magnesium levels increases the risk of depression and if supplements such as magnesium citrate, magnesium chloride, can help for depression. Also, find out how to make sure you are getting adequate magnesium. ConsumerLab.com's answer explains.
Is it best to take probiotic supplements with or without food? It seems like everyone has a different recommendation.
When is the best time to take probiotic supplements? Learn if you should take your probiotic with or without food.
What is Metafolin (5-methylfolate)? I see it in some supplements instead of folic acid. Is it better than folic acid?
Metafolin and Quatrefolic information - compare to folate and folic acid.
I'm a vegan but my doctor wants me to take fish oil with EPA and DHA. Is there something I can take that would be as good as fish oil capsules but would satisfy the needs of a vegan?
Find out which vegan-friendly fatty acid supplements contain EPA and DHA and how they compare to fish oil.
Is there a difference between taking vitamin D in the dry form versus the oil capsules? Is one better than the other?
Learn more about how to take vitamin D, the best form to take and the best time of time day to take vitamin D.
Is it better to buy supplements which are combination formulas or single-ingredient?
Find out if combination formulas or single-ingredient individual supplements are better and why.
Does ergothioneine help prevent age-related problems such as impaired cognition, Alzheimer’s disease, Parkinson’s disease or cataract, and is it safe?
Learn about ergothioneine and its potential use for cognitive impairment, dementia, Alzheimer's disease, Parkinson's disease, cataract, or kidney disease, as well as its safety and cost of supplements containing this ingredient.
What is the difference between fish oil and cod liver oil? Is one better than the other?
Find out how regular fish oil and cod liver oil differ including amounts of omega-3s EPA and DHA, vitamin A and vitamin D, which is best to suit your needs. ConsumerLab.com's answer explains.
I am curious why some probiotics do not require refrigeration even though they contain some of the same bacteria in probiotics that require refrigeration? Which probiotics need to be refrigerated?
Refrigerating certain probiotic pills and other probiotic supplements is important. Get tips on how to store probiotics properly.
Do glutathione supplements work to prevent aging or for other conditions?
Do glutathione supplements help with aging or other conditions such as cancer and diabetes?
How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.
What is the difference between turmeric spices used in the kitchen and turmeric supplements? Is sprinkling turmeric on my food equivalent to taking a turmeric supplement? ConsumerLab's answer explores this question.
I'm over 50 and looking to take a vitamin B-12 supplement. Many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?
Looking to see if the cyanocobalamin form of vitamin B-12 is safe? Read research and safety information on ConsumerLab's report.
What is the difference between natural and synthetic astaxanthin?
Learn more about astaxanthin and the different forms of it (BioAstin, AstaPure, AstaSana, etc.) and their effects in the body.
I've been using a lutein supplement with 40 mg of lutein and am concerned that this dose may be too high. Are there known harmful side-effects?
Learn more about lutein side effects, proper dosage and safety in vision supplements.
Is MitoQ a better form of CoQ10?
MitoQ information, including how it is absorbed in the body and how it compares to CoQ10.
Is it true that fish oil is better absorbed when taken with a fatty meal?
Find out if it's better to take fish oil supplements with a meal or on an empty stomach to maximize their absorption.
Immunocal is much more expensive than other whey protein isolates - is it worth the extra cost?
Find out how Immunocal, from Immunotec, compares to other whey protein isolates and understand it's costs.
What do alkaline booster drops do? Do they provide the same benefits as Kre-Alkalyn?
Learn more about alkaline drop supplements and what booster drops and KreAlkalyn are marketed to do.
What is monolaurin? Can it really prevent colds, cold sores, or other infections?
Lauricidin (monolaurin) information for preventing colds, immune system function, and safety.
Is it better for a fish oil (or krill oil) supplement to have more DHA than EPA?
Information on EPA and DHA in fish and krill oil supplements, including improving cognition, depression, anxiety, acne, and more.
What are trace minerals and do I need them?
Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.
My doctor told me to stop taking supplements because my kidney function was low. After stopping, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
Find out which supplements may damage your kidneys. ConsumerLab explores possible kidney side effects of supplements including chromium, creatine, and vitamin C.
Which vitamins and minerals should be taken together or separately?
Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the best way to take vitamins and minerals.
Is it true that calcium citrate increases the absorption of aluminum?
Find out how calcium citrate can impact the absorption of aluminum in your body and if this is a problem for your health.
What is the difference between fish oil and krill oil? Is one better than the other?
Learn which is better for you and compare krill oil vs. fish oil, including evidence from clinical studies, EPA and DHA content, price, and side effects.
Is it true that drinking a small amount of hydrogen peroxide (H2O2) with water can kill bacteria in the urinary tract or help in other ways? Is this safe -- or is it dangerous?
Drinking or eating hydrogen peroxide (H2O2) can be dangerous and is not advised. Learn more treatments for urinary tract infections.
Do brain games and apps really work and improve memory?
Find out if brain training games & apps, like Lumosity & BrainHQ, really work to train the mind and improve memory. ConsumerLab.com's answer explains.
What is the best form of iron supplement?
Find out the best form of iron (such as ferrous glycinate, rerrous bisglycinate, ferrous sulfate and others) to take as a supplement, which form is best-absorbed and least likely to cause stomach upset. ConsumerLab.com's answer explains.
Is P-5-P really better than "regular" vitamin B6?
Learn more about pyridoxal-5-phosphate (P-5-P) and vitamin B6.
What are the health benefits of avocado oil? Is it healthier than olive oil? Which avocado oils are best?
Learn about the health benefits of avocado oil and how it compares to olive oil, evidence for heart health, osteoarthritis and other uses. ConsumerLab.com's answer explains.
Is sublingual vitamin B-12, which is placed under the tongue and allowed to dissolve, really better than the pill form?
Learn the difference between sublingual vitamin B-12, vitamin B-12 pills and more through information including clinical evidence.
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
I was told I have a MTHFR gene mutation. What do I need to know about taking B vitamins?
MTHFR gene mutation can impact B vitamin bioavailability. Learn more about this and which deficiencies are more likely to occur.
Taking 2 grams of L-glutamine in water on an empty stomach (as directed) caused me to be nauseous, dizzy and anxious. Is this a normal side effect of glutamine?
Find out how to prevent nausea, dizziness and anxiety when taking monosodium glutamine in water on an empty stomach.
Is it better to take fish oil, flaxseed oil -- or both?
Fish oil and flaxseed oil -- how they are different, what they are used for, if and how they can help with arthritis, depression, lowering cholesterol & more.
Since the COVID-19 drug, Paxlovid, works by blocking a protease enzyme, should I be concerned about taking digestive enzymes that contain proteases?
Find out if taking digestive enzyme supplements that contain proteases might interact with medications that work by blocking a protease enzyme, including the COVID-19 drug Paxlovid.
Which deodorants and antiperspirants are contaminated with benzene and which are not?
Benzene, a carcinogen, has been detected in over 40 spray deodorants, antiperspirants, and body sprays. Tests were conducted on brands including Axe, Bath & Body Works, Brut, Degree, Dove, Gold Bond, Right Guard, Secret, Speed Stick, Suave, Old Spice, Victoria's Secret and others. Find out which products contained benzene, and how much they contained.
Is it okay to crush a tablet and consume the powder or add the powder to food, rather than swallowing the tablet whole?
Find out if it is safe to crush supplements and ingest the powder with food or if it is better to swallow the tablet whole.
Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease?
Magtein, and other magnesium supplements, may help memory and protect against Alzheimer's disease.
What are the health benefits of dark chocolate?
Information on the health benefits of dark chocolate, including how dark chocolate may improve heart health, decrease blood sugar levels and more. ConsumerLab.com's answer explains.
Does D-aspartic acid boost testosterone levels?
Find out if D-aspartic acid (aspartic acid) raises testosterone levels, increases libido or muscle mass.
Do any supplements naturally suppress appetite and help with weight loss?
Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
Are liquid or gummy vitamins better than tablets, capsules or softgels?
Find out if liquid or gummy vitamins and supplements are better than tablets, capsules or softgels, are better absorbed, or better for people who have had gastric bypass or who have other conditions.
Coromega Max claims it is uniquely emulsified to provide 300% better absorption than standard fish oil softgels. Is this true? It's more expensive than many fish oils.
Find out if Coromega is better absorbed than other fish oil supplements. ConsumerLab.com's answer discusses omega-3 absorption and a study comparing Coromega and regular fish oil.
Which supplements help reduce the risk of colorectal cancer?
Find out which supplements may reduce the risk of colorectal cancer, including folate, fiber, selenium, and vitamin D.
Do any supplements or foods benefit people with Crohn's disease? Are there any supplements that should be avoided?
Find out the most common vitamin and mineral deficiencies in people with Crohn's disease, including iron, B6, B12, vitamin D, zinc and others, plus evidence for N-acetyl-glucosamine (NAG), fish oil, and curcumin.
The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?
Learn more about the harmful effects from too much folic acid, including increased risk of prostate cancer and kidney damage.
What is the difference between CoQ10 and ubiquinol?
Understand the difference between CoQ10 (ubiquinone) and the active form, ubiquinol, and how they are best absorbed. ConsumerLab explains.
Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
Learn more about bioavailability enhancers, including emulsifiers and enzyme inhibitors.
I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?
Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole (Prilosec) and Nexium.
Is it better to eat farmed salmon or wild salmon? Which one has more omega-3s and less contamination with PCBs, mercury, etc.?
Learn more about wild caught vs. farm raised salmon, including omega-3 content and contamination with PCBs, mercury, and other toxins.
What is inositol hexaphosphate (IP6) and myo-inositol? Are they helpful in treating cancer or other conditions?
Inositol hexaphosphate (IP6): Find out if IP6 (also known as phytic acid) can prevent or treat cancer. Clinical evidence, dosage, safety and how IP6 differs from myo-inositol. Consumerlab.com's answer explains.
Which foods are a good source of B vitamins?
Find out which foods are a good source of B vitamins (like folate and B-12) and when you should take Vitamin B supplements.
What is GABA (gamma-aminobutyric acid)? Is it beneficial for stress, anxiety, insomnia or other conditions, and is it safe?
Find out about GABA (gamma-aminobutyric acid), including if it's beneficial for insomnia, epilepsy, stress and anxiety, high blood pressure and building muscle, and learn if taking GABA supplements is safe.
Is Theracurmin better absorbed than other curcumin formulas - and can it really help lower my blood pressure?
Theracurmin information. Find out if Theracurmin's nanoparticle curcumin formula is better than other types of curcumin.
What is the best way to take melatonin to get a good night's sleep?
Learn more about the best way to take melatonin for better sleep. When to take it, how to take it, and general melatonin information.
Is it true that taking turmeric/curcumin with food can reduce iron absorption from food?
Learn more about how to take turmeric/curcumin and if they limit iron absorption from food.
Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example?
Find out which fats and oils, such as coconut oil and fish oil, lower cholesterol and lower the risk of cardiovascular disease.
What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?
Learn the health benefits of coconut oil and medium chain triglycerides (MCTs), including evidence from Bulletproof Coffee, clinical studies on obesity, skin, and Alzheimer's disease.
How do fish oil supplements compare to EPA prescription fish oil like Vascepa?
How do regular fish oil supplements compare to prescription fish oil such as Vascepa and Lovaza. Info on amounts of EPA and DHA, dose, cost and absorption. ConsumerLab.com's answer explains.
What is the best way to take curcumin? Is it better to take it all at once or in divided doses?
Find out the best way to take curcumin and turmeric supplements to increase absorption and bioavailability, plus the best way to cook with turmeric spice. ConsumerLab.com's answer explains.
Is Super Beta Prostate better than other prostate supplements?
Find out if Super Beta Prostate is effective, including clinical evidence and price.
Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.
Which supplements should be taken with food?
Find out which supplements should be taken with food, including vitamins A, D, E, and K, fish oil, and CoQ10.
Is it true that magnesium can make coffee taste better?
Find out if magnesium in your coffee can improve its taste and if it matters whether the magnesium is added before or after brewing.
Does I3C (from broccoli) or DIM (a related chemical) reduce the risk of cancer?
Find out if the compound indole-3-carbinol (I3C), from broccoli, and its metabolite diindolylmethane (DIM) can reduce the risk of cancer. ConsumerLab.com's answer explains.
The distributor of my cacao powder says it checks for "metal fragments" in its products. Is this adequate to check for heavy metals, like cadmium and lead, that you've found in cocoas and chocolates?
Find out if tests such as foreign metal detection can show if cocoa powders and chocolate products are contaminated with heavy metals such as cadmium and lead. See amounts of these toxic heavy metals were found in cocoa and chocolate products tested by ConsumerLab.com
Can CoQ10 or ubiquinol be ruined by heat? I recently purchased several bottles of Qunol Plus from Costco.com and they arrived hot. The soft gels are not melted, but I am concerned.
Find out whether your CoQ10 or ubiquinol supplement can be destroyed by heat during shipping and at what temperature CoQ10 softgels can melt. ConsumerLab.com's answer explains.
Do lion's mane supplements improve memory or cognitive function in older adults?
Lion's mane has been studied for its effects on cognitive function and memory, but its effects are still unclear.
I'm having trouble sleeping. Could this be caused by my supplements: a multivitamin, fish oil, magnesium, calcium, vitamins D and K, and protein. I'm also on a low-dose blood pressure medication.
Find out if vitamins & supplements can cause insomnia - multivitamins, fish oil, calcium, magnesium, protein & vitamin D. ConsumerLab.com's answer explains.
Can glycine improve sleep or reduce nighttime urinary frequency?
Can glycine really help improve sleep? Lean more about glycine and its uses and benefits.
What are the benefits of Daily Synbiotic by Seed? Does it do what it claims, and is it better than other probiotics and prebiotics?
Review of Daily Synbiotic by Seed, including information about the prebiotic and probiotic strains in the supplement, and whether there is evidence of benefit for the synbiotic.
With probiotics, how many CFUs should I look for as the dose? Is more necessarily better?
Learn more about the proper amount of cells or colony forming units (CFUs) a probiotic should contain, including if more is always better.
What is CELLFOOD and is it a healthy supplement?
Learn more about CELLFOOD (NuScience Corporation), including if the claims to improve athletic performance, fibromyalgia, weight loss, and cancer are true.
Why is beta-carotene still an ingredient in some supplements? Isn't it dangerous?
Beta-carotene can be found in supplements. Get clinical evidence from studies on beta-carotene's impact on mortality, smoking, and vision.
How does regular black pepper compare with black pepper extract used in supplements? Will sprinkling it on food with turmeric help increase the bioavailability of curcumin compounds from turmeric?
Find out how black pepper extract in supplements compares with regular black pepper added to foods with turmeric.
Does magnesium cause diarrhea? Are some forms less likely to cause loose stools than others?
Could your magnesium supplement be causing diarrhea? Find out why the dose of magnesium in your supplement matters, and which forms of magnesium are less likely to cause diarrhea ConsumerLab.com's answer explains.
Can beta-sitosterol cause erectile dysfunction or low libido? Are there any other side effects?
Does beta-sitosterol, found in prostate and cholesterol-lowering supplements, cause erectile dysfunction, or other side effects? ConsumerLab.com's answer explains.
Do diamine oxidase (DAO) supplements for histamine intolerance really work?
DAO supplement info for histamine intolerance, including diamine oxidase safety, evidence from clinical studies, and dosage.
Does yacon syrup decrease appetite or help with weight loss? How do I find a quality brand?
Can yacon syrup can help with weight loss? Learn more, including clinical evidence, side effects, and dosage.
What is the difference between cocoa and cacao? Is one better than the other?
Learn about the difference between cocoa vs. cacao, including cocoa powder, cocoa extracts, cocoa liquor, and cacao nibs. Information about benefits, caffeine, theobromine in cocoa and cacoa, differences between dark chocolate and milk chocolate. ConsumerLab.com's answer explains.
Are supplements such as Thyroid Care Plus helpful for hypothyroidism? Can supplements worsen thyroid function? And what is nascent iodine?
Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.
Is it true that there is no point in taking fish oil supplements for heart health?
Taking fish oil for heart health may be a benefit. Learn more about omega fatty acids from fish oil and it's impacts.ains.
Are Brazil nuts a good source of vitamin E and selenium?
Learn more about vitamin E intake from nuts, including Brazil nuts, hazelnuts, and almonds.
Which "whole food" multivitamins don't include synthetic vitamins? How about Complete Foods, Sunwarrior, Garden of Life, Nature's Brands, and Doctors' Research?
Find out which "whole food" multivitamins are only from foods and which include synthetic vitamins, including Complete Foods Nutrition-OctoMega MultiVitamin; Sunwarrior; Garden of Life-MyKind Organics; Nature's Brands-PhytoVitamins; Doctors' Research MultiVitamin.
How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?
Read our comparison of the Beyond Burger and the Impossible Burger, plant-based, meat alternative burgers. Compare nutrition, vitamins and minerals. ConsumerLab.com's answer explains.
My optometrist recommended genetic testing to determine the effectiveness of various supplements for AMD. What is the evidence for doing this?
Genetic Testing for Age-Related Macular Degeneration (AMD) Supplements: Do genes determine how well supplements for AMD work, and is it worth getting tested?
What is "nano" CoQ10? Is it better than other CoQ10 formulations?
Learn more about "nano" CoQ10 supplements,such as NanoCoQ10 and VesiSorb CoQ10, including clinical evidence and comparisons to other formulations.
I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true?
Does soaking dried beans in water help reduce phytate levels to help gain greater access to nutrients?
Can coconut water prevent or dissolve kidney stones?
Find out if coconut water can help prevent kidney stones, or dissolve them, by increasing urinary citrate, or if there are better ways. ConsumerLab.com's answer explains.
Which sunscreens and after-sun products are contaminated with benzene and which are not?
Over 200 sunscreens and after-sun products have been reported to be contaminated with benzene, a carcinogen. See the results, by brand, and find out what to look for, and what to avoid, when choosing a sunscreen or after-sun product.
Which supplements help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.
How concerned should I be about glyphosate in foods and supplements?
Find out if you should be concerned about glyphosate in foods and supplements. ConsumerLab.com's answer explains.
Is there cause for concern with "gummy vitamins?" There are many different gummies out there. Are some better than others?
Learn more about gummy supplements, including those for multivitamins, vitamins C and D, calcium, and B vitamins.
Why is there so much cadmium, a toxin, in cocoa powders but not in dark chocolate?
Learn more about the presence of the toxic heavy metal cadmium in cocoa powder and dark chocolate.
Is CBD oil (cannabidiol) effective and safe? Is it legal?
Learn more about cannabidiol (CBD), its potential effects, safety and side effects, and find out if CBD oils and pill are legal. ConsumerLab.com's answer explains.
Which is the best pulse oximeter for home use?
Best pulse oximeter for home use (COVID-19, asthma and COPD). Differences between home use and FDA-approved medical pulse oximeters.
Do Vital 3 collagen drops really help for joint pain?
Learn more about Vital 3 collagen drops withundenatured type II collagen, and if they can help joints move better and feel better.
Will an Epsom salt bath increase magnesium levels in my body like a supplement?
Find out if Epsom salt baths can increase magnesium levels in the body like a supplement. Plus, see evidence for other methods other transdermal methods of obtaining magnesium, such as magnesium creams, oils and sprays. ConsumerLab.com's answer explains.
Are vitamins and supplements from Canada of better quality because they are licensed?
Find out if Canadian vitamins and supplements are better quality because they are licensed, what it means to for a product to have an Natural Product Number (NPN) in Canada, and if vitamins and supplements in Canada are tested for quality and purity. ConsumerLab.com's answer explains.
What is vitamin B12 and how much do I need?
Vitamin B12 dosage varies depending on your age, gender, and various other factors. Our CL Answer explains why B12 is important, the recommended dosages, deficiency, health benefits, and the best form.
Do any supplements help with fatty liver disease? Are some diets more beneficial than others?
Find out if supplements such as vitamin E, fish oil, milk thistle, curcumin, choline, probiotics, vitamin D, reishi mushroom, or extra virgin olive oil are beneficial for fatty liver disease and learn which diet (Mediterranean, ketogenic, DASH, or fasting diets) seems to have greatest benefit.
6 Red Flags to Watch Out For When Buying Vitamins & Supplements
When it comes to buying vitamins and supplements, it's buyer beware. ConsumerLab explains six red flags to look out for on labels when choosing and buying vitamins or supplements, including claims of "FDA Approved" laboratories, what to look for in the ingredient list, and more.
Do any supplements help for ulcerative colitis?
Find out what supplements & vitamins can help with ulcerative colitis, such as VSL#3, curcumin, aloe or boswellia.
Does Restore (Bionic Sciences LLC) really improve gut health? What is in Restore?
Learn more about Restore, including clinical studies on gut health, dosage, cost, and safety.
What is acrylamide? Is it true that coffee and cocoa contain this toxin?
Find out what acrylamide is, how much is found in coffee and cocoa, and how you can minimize your intake of acrylamide.
I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research?
Find out how to pick the best multivitamin for you and your family, based on diet, price, and effectiveness.
Is there a lab test that can measure CoQ10 in the blood? Can it help to determine the dosage I should take for a certain condition, like heart failure?
Learn more about blood tests for CoQ10, normal ranges for CoQ10 levels and more.
How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?
Learn about the cost of supplements. Info including the best pricing on fish oil, CoQ10, vitamins C & D, magnesium, and calcium.
What is the difference between cysteine and cystine?
Find out the difference between cysteine and cystine amino acids, including where each is found and their functions.
Is the Resurge supplement a scam? I'm having trouble getting a refund.
Resurge supplement scam? ConsumerLab has received several complaints from unhappy consumers who purchased Resurge and said they did not receive the product or a refund.
What is fermented cod liver oil, such as Blue Ice? Is it better than regular cod liver oil?
Fermented cod liver oil information including if Rosita & Blue Ice (Green Pastures) is as good a source of vitamins and DHA as regular.
How can I get the equivalent of 20 ml of extra virgin olive oil (4 teaspoons) as oleic acid capsules?
Info on taking extra virgin olive oil as a supplement in pill form. ConsumerLab.com explains.
Is it true that oat cereals, like Cheerios, oatmeal, oatflakes and steel-cut oats can be contaminated with a toxin?
Find out if oat cereals, like Cheerios and oatmeal, can be contaminated with the fungal toxin ochratoxin A (OTA). ConsumerLab.com's answer explains.
Does Prevagen really improve memory?
Learn more about Prevagen, including clinical studies on Prevagen's impact on memory & cognition, safety, pricing, and an FDA warning letter. ConsumerLab explores the efficacy of Prevagen.
Do any supplements help prevent or improve cataracts?
Find out which supplements may help with cataracts, including selenium and vitamins A, B1, B3, C, and E.
When choosing a protein powder, which protein source is best -- whey, casein, soy, pea, rice, hemp or egg?
Protein powder information including the various sources of protein, including whey, casein, soy, pea, rice, hemp and egg.
What is the benefit of magnesium orotate compared to other forms of magnesium?
Find out if magnesium orotate is the best form of magnesium for supplements, including safety concerns.
Is it better to use a powdered product that you mix with liquid than to take a pill. I was told that the vitamins will be more completely absorbed. Is that true?
Learn more about taking supplements & multivitamins in powder or tablet form, including tips on how to get the most from your supplement.
What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?
Phytoceramide supplement information, including what they are, what they claim to do, and if they have anti-aging effects.
Is it true that low-carb or Mediterranean diets help for gastroesophageal reflux disease (GERD)?
Find out if a low-carb diet, such as the Mediterranean diet, or lifestyle changes help with gastroesophageal reflux disease (GERD).
Does heat kill coronavirus (COVID-19)? Can it disinfect face masks and packages?
Find out if heat kills the coronavirus SARS-CoV-2 that causes COVID-19 infection. Learn what temperature kills the coronavirus and more. ConsumerLab explains.
What is benfotiamine and can it really improve or prevent complications from diabetes?
Can benfotiamine really improve or prevent complications from diabetes? Learn more.
Is it safe to consume fish oil as a long-term food supplement?
Learn more about fish oil supplement safety including long-term use, side effects, and more.
What is Skinny Fiber and does it really work? I see that glucomannan is a key ingredient. What is that?
Learn more about Skinny Fiber, including its key ingredient glucomannan, evidence from clinical studies, dosage info, and safety.
Can fisetin, also called Cognisetin and Novusetin, really improve memory?
Fisetin (Cognisetin and Novusetin) information, including evidence from clinical studies on memory improvement, brain health, dosage, and pricing.
How do I find the best quality olive oil and what are the health benefits?
Health Benefits of olive oil, including heart benefits, anti-inflammatory effects. Plus, how to choose a quality olive oil and cook with olive oil
Will pregnenolone help slow down aging?
Learn more about the steroid hormone pregnenolone, including its effects in the body and on aging.
Do reishi mushroom supplements boost the immune system, or have other health benefits?
Learn more about the health benefits of reishi mushroom extract supplements, including evidence from clinical studies on cancer and diabetes, plus information about safety and price.
What is phytosomal curcumin? Does it have better absorption than other curcumin formulations?
Learn more about phytosomal curcumin, its absorption, and bioavailability in comparison to other formulations.
Is bromelain a good alternative to NSAIDs, like ibuprofen, for muscle or joint pain?
Do bromelain supplements have benefits? Learn more about its safety, and if it is a good alternative to NSAIDs like ibuprofen.
I recently read that a gluten-free diet may increase your exposure to arsenic and mercury. Is this true?
Find out if your gluten-free diet is increasing your exposure to toxic heavy metals like arsenic and mercury.
Is Hershey's Special Dark better than other dark chocolate bars or cocoa powders?
Find out if Hershey's Special Dark Chocolate bar is better than other dark chocolate bars or cocoa powders, including flavanol content, contamination with lead or cadmium and other tests of quality. ConsumerLab.com's answer explains.
I've read about several different forms of SAMe. Is one form better than another?
Learn about the various types of SAMe (S-adenosyl-L-methionine) supplements, along with their benefits for hormones & cell membrane health.
Why does my multivitamin make me nauseous? Is there anything that can help?
Find out if ingredients in multivitamins can cause nausea and gastrointestinal discomfort.
What is Omega XL and does it work?
What is Omega XL (distributed by Great Health Works) and does it work? Described as a "highly concentrated Omega-3 'Super Oil' supplement".
Is liposomal vitamin C (sold as Lypo-Spheric) better than other forms of vitamin C?
Liposomal vitamin C information, including absorption facts and current evidence.
Do any supplements or foods help with brain function, like memory and cognition?
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.
What are the health benefits of black cumin seed (black seed) oil?
Find out if black seed oil has health benefits, such as lowering blood pressure or cholesterol, asthma, weight loss, and others. Dosage, forms, including black seed oil and black seed powder, safety information, using black seed oil in foods and more. ConsumerLab.com's answer explains.
When is the best time of day to take a multivitamin?
Find out the best time of day to take your multivitamin for best absorption of vitamins and minerals, whether you should take your multi with food, which vitamins and minerals may inhibit the absorption of other vitamins and minerals, or medications. ConsumerLab.com's answer explains.
What are the health benefits of bone broth, and which bone broth is the best?
Learn about the health benefits of bone broth, a good source of protein and collagen, including whether bone broth can help for joint pain or osteoarthritis, improve skin or reduce wrinkles, heal the gut or boost the immune system. Plus, see ConsumerLab.com's tests of popular bone broths, find out how much collagen they contained, and which bone broths are best.
What are the side effects of melatonin supplements?
Melatonin side effects - are there any? Read about drowsiness, dizziness, headache, nausea, mood & behavior, the risk of fractures and others. ConsumerLab.com's answer explains.
Can beetroot juice improve my workout performance?
Find out if beetroot juice can help improve exercise endurance or performance, how it works, the clinical evidence, and cautions.. ConsumerLab.com's answer explains.
Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
Find out if there are any supplements that should be avoided when taking acetaminophen (Tylenol).
Are the "% DV" numbers on vitamin supplement labels really based on what I need?
Learn more about percent daily values, including if they are good standards of measure or if better upper and lower limits exist.
Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs like Xarelto?
Learn about supplement interactions with apixaban (Eliquis), rivaroxaban (Xarelto) and other blood thinner drugs in the direct factor Xa inhibitors class. Supplements that may interact with these medications include fish oil and St. John's wort. ConsumerLab.com's answer explains.
What is magnesium stearate, what is it made from, and is it dangerous?
Learn more about magnesium stearate and its safety, based on evidence from clinical studies.
I take ubiquinol to replenish CoQ10 depleted by my statin. I also take curcumin (from turmeric). Since they both manage free radicals, do I need to take the curcumin?
Learn more about the effects of curcumin (turmeric) and ubiquinol (CoQ10), including their shared antioxidant properties and many differences.
Can cranberry juice or cranberry supplements help prevent urinary tract infections or improve overactive bladder?
Learn more about how cranberries, juice, and supplements can help prevent urinary tract infections, including safety.
Do essential amino acid (EAA) supplements help build muscle better than dietary protein or protein supplements?
Comparison of essential amino acids vs dietary protein and protein supplements for building muscle.
Does drinking coffee deplete magnesium in the body?
Coffee can affect magnesium levels in different ways, so people who drink coffee may wonder if they need to supplement with magnesium?
Does Oral-B Glide or other dental floss contain toxic chemicals called PFAS? Where else are PFAS found, and how can I avoid them?
Some brands of dental floss, including Oral-B Glide, may contain potentially toxic chemicals known as PFAS (polyfluoroalkyl substances), according to one study. Get the details in ConsumerLab's answer.
I have type 2 diabetes. Should I be concerned about ingredients like maltodextrin and maltitol that are found in some protein bars and drinks?
Learn more about maltitol and maltodextrin and their effects on blood glucose levels for people with type 2 diabetes.
Does forskolin help for weight loss? Is it safe?
Learn more about forskolin including weight loss, diet, preventing asthma attacks and its proposed effects on the body.
I have been having neurological symptoms. My blood test showed a toxic level of vitamin B-6. My multivitamin contains 75 mg of B-6 -- below the upper limit of 100 mg. Is the label wrong?
Find out if multivitamins contain excessive amounts ofvitamin B-6, symptoms of vitamin B-6 toxicity, and the daily upper tolerable intake level for B-6.
What are the health benefits of stevia? Is it safe?
Learn more about the health benefits of stevia and whether it is safe. ConsumerLab.com's answer explains.
How does bone broth protein compare to other types of protein?
Bone broth protein supplement information, including their effectiveness compared to other types of protein, how much collagen they contain, and safety.
What is the ingredient zeolite I see in Natural Cellular Defense and other detox supplements? Does it help in any way?
Learn what zeolite is and why it is found in many detox supplements like Waiora's Natural Cellular Defense, Get Healthy Again Zeolite, and Ultra Liquid Zeolite.
Have you evaluated a multivitamin by Vita Logic called Daily Extra?
Information about the multivitamin Daily Extra from Vita Logic, including nutrient content.
Can melatonin help with stomach pain?
Find out if melatonin supplements can help with stomach pain, ulcers, reflux and dyspepsia, or if it can cause stomach upset.
Is it safe to take Bioperine (which contains piperine from black pepper)?
Bioperine info including if it is safe to take, which medications it may interact with & potential side effects. ConsumerLab.com's answer explains.
To avoid mercury, I tried skipjack tuna instead of albacore, but I didn't like the taste. Is it safe to continue to eat albacore if just once a week?
Concerned about mercury in albacore tuna? Find out how often it is safe to consume albacore tuna, and the best canned tuna and salmon alternatives to albacore tuna that are high in omega-3s and low in contamination with mercury. ConsumerLab.com's answer explains.
Are enteric coated supplements better than non-enteric coated ones?
Learn about the pros and cons of enterically coated supplements, including ingredient absorption,safety and price.
I've tried a number of fish oil supplements, all of which make me nauseous. What is the best non-fish alternative? I am primarily interested in getting EPA.
Learn how to reduce fish oil side effects such as nausea and upset stomach.
Recalls & Warnings (68)
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Chiropractor Who Claimed Vitamin D and Zinc Work Better Than COVID Vaccines Charged by FTC
FDA Warns Seller of Reishi, Joint Supplements, Ginseng & More for Pesticides, Other Violations
FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims
Skin Measurement Device Used to Select Nutritional Supplements Not Approved for This Use, FDA Warns
Seller of Antioxidant Water, Energy Drops Warned for Manufacturing Violations and Drug Claims
Seller of "Cleanse," Allergy Supplements and More Warned for Manufacturing Violations, Drug Claims
Maker of Popular Green Coffee Bean Extract Settles FTC Charges of Unsupported Weight Loss Claims
Seller of Aloe, Thyroid and Other Supplements Warned for Manufacturing Violations and Drug Claims
Maker of Cardio, Arthritis, Cleanse Supplements and More Warned For Manufacturing Violations and Drug Claims
Adverse Event Reports Associated With Dietary Supplements Increase, But Remain Underreported And Underutilized
Manufacturer of Joint, Weight Loss, Muscle Supplements and More Warned for Adulteration, Misbranding and Drug Claims
Court Orders Marketers of Supreme Greens and Coral Calcium to Pay Nearly $70 Million for Consumer Refunds
Supplement Maker to Pay over $3.5 Million to Settle Deceptive Advertising Charges for Immune Dietary Supplement
Supplement Company to Pay over $3.5 Million to Settle Deceptive Advertising Charges for ImmuneDietary Supplement
Clinical Updates (55)
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Food vs. Supplements for Getting Vitamins & Minerals
Diabetes and Fruit Intake
A Better Form of Glutathione?
Is Vitamin D2 or D3 Better?
Vitamin D Spray
A Better CBD?
Melatonin vs. Light Therapy for Sleep
Better Absorbed Fish Oil?
Better Bone Broth
Vitamin D Effect on Body Fat and Cholesterol
CLA For Weight Management
Chocolate to Improve Body Composition?
NAC & Body Odor
Additional Nutrients For the Brain
Better Sleep with Valerian
Does Echinacea Help Treat a Cold?
Does Fish Oil Help During Pregnancy?
Which Menopause Supplements Really Work?
Fish Oil and Blood Pressure
Better Executive Functioning with Vitamin D
Vitamin D Sprays
Better Memory With Lutein?
A Better Form of Creatine?
Saffron for Better Sleep?
Collagen for the Skin
Ashwagandha for Better Sleep?
Turmeric (Curcumin) and Cholesterol
Dark Chocolate & Appetite
Vitamin D2 or D3?
Dark vs. Milk Chocolate for Vision?
Fish Oil May Prevent Cognitive Decline
Is Ester-C Better?
Probiotic for Irritable Bowel Syndrome?
Fish Oil Helps Memory
Methylfolate vs. Folic Acid
Vitamin D & Breast Cancer Survival
Pea vs. Whey Protein
Is Methylfolate the Best Form of Folate?
Red Yeast Rice Better Than Statin?
Best form of B12?
Gummies vs. Tablets for Vitamin D
Casein Peptides for Better Sleep?
Moderna vs. Pfizer: When to Choose One Over the Other
Best Rapid Home Test for COVID
The FDA has authorized many 15-minute home tests for COVID, but some are better than others at identifying positive samples. See our Top Pick among rapid home tests and how brands compare.
Be aware that these home tests, which can be bought without a prescription, are best used within six days of the start of symptoms. It is likely that they can detect the new Omicron variant. The cost of buying these tests may soon be covered by insurance.
What Is Omega-10?
Bacopa for Better Sleep and Mood?
Supplement for Better Exercise Performance?
Saffron for Better Sleep?
Melatonin for Better Sleep
High-Dose Vitamin D for COVID?
Vitamin D & Pregnancy
Which Form of Fish Oil Is Best Absorbed
CBD for Pain?
Vitamin D and Inflammation
Be sure you have the latest information! See the update to the Vitamin D Supplements Review, which includes details on this and other vitamin D studies, as well as our latest product tests.
News Releases (28)
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